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COSMOKEMS SIGNED

EXPERIMENTAL CONSTRAINTS ON THE ISOTOPE SIGNATURES OF THE EARLY SOLAR SYSTEM

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

COSMOKEMS project word cloud

Explore the words cloud of the COSMOKEMS project. It provides you a very rough idea of what is the project "COSMOKEMS" about.

subprojects form disk fractionation mass condensed reproducing isotope effect refractory planetary shaped isotopes heating simulate solids experiments events phases condensation view transported kinetic fractionated volatile temperature materials signatures modified accreted variations purpose found depletion equilibrium planetesimals took fo2 particle million solar terrestrial attempt vapour evaporation nebula protoplanetary kems dependent uv simulating compositions components exhibit effusion consists independent spectrometer reactions mixed examine constraints chemical planets relationships knudsen gas species few meteorites reproduce origin ultimately thermodynamic place first radically composition newly instrument irradiation designed

Project "COSMOKEMS" data sheet

The following table provides information about the project.

Coordinator	CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS Organization address address: RUE MICHEL ANGE 3 city: PARIS postcode: 75794 website: www.cnrs.fr contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	France [FR]
Total cost	3˙106˙625 €
EC max contribution	3˙106˙625 € (100%)
Programme	1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
Code Call	ERC-2015-AdG
Funding Scheme	ERC-ADG
Starting year	2016
Duration (year-month-day)	from 2016-10-01 to 2021-09-30

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS Organization address address: RUE MICHEL ANGE 3 city: PARIS postcode: 75794 website: www.cnrs.fr contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	FR (PARIS)	coordinator	2˙864˙125.00
2	THERMO FISHER SCIENTIFIC (BREMEN) GMBH THERMO FISHER SCIENTIFIC (BREMEN) GMBH Organization address address: HANNA KUNATH STRASSE 11 city: BREMEN postcode: 28199 website: www.thermofisher.com contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	DE (BREMEN)	participant	242˙500.00

Map

Project objective

This project aims at simulating the processes that took place in the early Solar System to determine how these processes shaped the chemical and isotope compositions of solids that accreted to ultimately form terrestrial planets. Planetary materials exhibit mass dependent and mass independent isotope signatures and their origin and relationships are not fully understood. This proposal will be based on new experiments reproducing the conditions of the solar nebula in its first few million years and on a newly designed Knudsen Effusion Mass Spectrometer (KEMS) that will be built for the purpose of this project. This project consists of three main subprojects: (1) we will simulate the effect of particle irradiation on solids to examine how isotopes can be fractionated by these processes to identify whether this can explain chemical variations in meteorites. We will examine whether particle irradiation can cause mass independent fractionation, (2) the novel KEMS instrument will be used to determine the equilibrium isotope fractionation associated with reactions between gas and condensed phases at high temperature. It will also be used to determine the kinetic isotope fractionation associated with evaporation and condensation of solids. This will provide new constraints on the thermodynamic conditions, T, P and fO2 during heating events that have modified the chemical composition of planetary materials. These constraints will also help identify the processes that cause the depletion in volatile elements and the fractionation in refractory elements observed in planetesimals and planets, (3) we will examine the effect of UV irradiation on chemical species in the vapour phase as an attempt to reproduce observed isotope compositions found in meteorites or their components. These results may radically change our view on how the protoplanetary disk evolved and how solids were transported and mixed.

Publications

List of publications.
year	authors and title	journal	last update
2019	Dmitry Ivanov, Bernard Bourdon Numerical simulations of magnetic electron-impact ion source published pages: 35-43, ISSN: 1387-3806, DOI: 10.1016/j.ijms.2019.05.005	International Journal of Mass Spectrometry 442	2020-01-29

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The information about "COSMOKEMS" are provided by the European Opendata Portal: CORDIS opendata.